FIGURE 4
CAL Err hi: Sensor voltage too high
Press and hold the Calibration Button for three seconds to manually force a new
calibration. If unit repeats this error more than three times, contact Customer
Service for possible sensor replacement.
CAL Err Bat: Battery voltage too low to recalibrate
Replace batteries
6.0 CHANGING THE BATTERIES
Should the batteries require changing, the device will indicate this in one of two ways:
•Thebatteryicononthebottomofthedisplaywillbegintoflash.Thisicon
will continue to flash until the batteries are changed. The unit will continue
to function normally for approx. 200 hours.
•Ifthedevicedetectsaverylowbatterylevel,anerrorcodeof“E04”willbe
present on the display, and the unit will not function until the batteries are
changed.
To change the batteries, begin by removing the three screws from the back of the
device. A #1 phillips screwdriver is required to remove these screws.
Once the screws are removed, gently separate
the two halves of the device.
The batteries can now be replaced from
the back half of the case. Be sure to
orient the new batteries as indicated in
the embossed polarity on the back case.
NOTE: If the batteries are installed incorrectly the batteries
will not make contact and the device will not operate.
Carefully, bring the two halves of the case together while
positioning the wires so they are not pinched between
the two case halves. The gasket separating the halves
will be captured on the back case half.
Reinsert the three screws and tighten until the screws are snug. (figure 4)
Thedevicewillautomaticallyperformacalibrationandbegindisplaying%ofoxgen.
HELPFUL HINT: If unit does not function, verify that the screws are tight to allow
proper electrical connection.
10
M A N U F A C T U R E D B Y M A X T E C , I N C .
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